Improvement in core-augers



" .0; W. TOWNSML com-AUSER.

N0.1'71,194 Patente Dec. 14,1875,

L v C l I f .1 E 11 J 6?/ I lllll l UNITED STATES PATENT O EEIoE.

OWEN W. TOWNSEND, OF FOND DU LAG, WISCONSIN.

IMPROVEMENT IN coRE-AUGERS.

Specification forming part of Letters Patent T0 all 'whom At may concern:

Be it known that I, OWEN W. TOWNSEND, of Fond du Lac, in the county of Fond du Lac and State of Wisconsin, have invented certain new and useful Improvements in Core-Augers; and I do hereby declare that the following is a full, clear, 4and exact description thereof, which will enable others skilled in the art to which it pertains to niakeand use the saine,

` reference being hadY to the accompanying drawing, and to the letters of reference marked thereon, which form a part of this specification, in lwhich- Figure 1 is an elevation of myimproved core-auger with its cutter-head in section.

Figs. 2 and 3 are detachedviews of the cutterhead.

Corresponding parts in the several figures are designated by like letters.

This invention -is designed to facilitate the delivery of -the shavings and to cut'a core. To this end it consists in the construction of the cutter-head, its inner ring, to which, and

an outer one, the knives are fixed, being bev- No. 171,194, dated December 14, 1875; application filed J une 3, 1875.

eled or chamfered, at its lower edge, upon 'the inner side, and the outer one, at its upper edge, upon the 4saine side, substantially as hereinafter more fully set forth.

ln the annexed drawing, A refers to the cutter-head, whose inner ring, a, threaded and otherwise adapted to permit of its attach` ment to the core-tube B, is chamfered or beveled at lts lower edge.

Having thus described my invention, what I claim,.and desire to secure by Letters Pat- Witnesses:

J. W. MISTER, Jos. R. EnsoN. 

